1/* 2 * Copyright (C) 2022 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17import {assertDefined} from 'common/assert_utils'; 18import {ScreenRecordingTraceEntry} from 'trace/screen_recording'; 19import {Trace} from 'trace/trace'; 20import {Traces} from 'trace/traces'; 21import {TraceEntryFinder} from 'trace/trace_entry_finder'; 22import {TracePosition} from 'trace/trace_position'; 23import {TraceType} from 'trace/trace_type'; 24import {View, Viewer, ViewType} from 'viewers/viewer'; 25import {ViewerScreenRecordingComponent} from './viewer_screen_recording_component'; 26 27class ViewerScreenRecording implements Viewer { 28 static readonly DEPENDENCIES: TraceType[] = [TraceType.SCREEN_RECORDING]; 29 private readonly trace: Trace<ScreenRecordingTraceEntry>; 30 private readonly htmlElement: HTMLElement; 31 32 constructor(traces: Traces) { 33 this.trace = assertDefined(traces.getTrace(TraceType.SCREEN_RECORDING)); 34 this.htmlElement = document.createElement('viewer-screen-recording'); 35 } 36 37 async onTracePositionUpdate(position: TracePosition) { 38 const entry = TraceEntryFinder.findCorrespondingEntry(this.trace, position); 39 (this.htmlElement as unknown as ViewerScreenRecordingComponent).currentTraceEntry = 40 await entry?.getValue(); 41 } 42 43 getViews(): View[] { 44 return [ 45 new View( 46 ViewType.OVERLAY, 47 this.getDependencies(), 48 this.htmlElement, 49 'ScreenRecording', 50 TraceType.SCREEN_RECORDING 51 ), 52 ]; 53 } 54 55 getDependencies(): TraceType[] { 56 return ViewerScreenRecording.DEPENDENCIES; 57 } 58} 59 60export {ViewerScreenRecording}; 61